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Effect of Immunosuppression Withdrawal After Graft Failure on Re-Kidney Transplantation Outcomes

J. Ahn1, S. Sandal2, S. Bae1, D. Segev1, M. McAdams-DeMarco1

1Johns Hopkins University, Baltimore, MD, 2McGill University, Montreal, QC, Canada

Meeting: 2022 American Transplant Congress

Abstract number: 1694

Keywords: Graft failure, Immunosuppression, Kidney, Retransplantation

Topic: Clinical Science » Kidney » 38 - Kidney Immunosuppression: Novel Regimens and Drug Minimization

Session Information

Session Name: Kidney Immunosuppression: Novel Regimens and Drug Minimization

Session Type: Poster Abstract

Date: Tuesday, June 7, 2022

Session Time: 7:00pm-8:00pm

 Presentation Time: 7:00pm-8:00pm

Location: Hynes Halls C & D

*Purpose: The risk and benefit of immunosuppression use after graft failure need to be addressed to improve patient and graft survival after their re-kidney transplantation (re-KT).

*Methods: Using USRDS, we identified 2,107 patients who underwent graft failure and received re-KT between 2007-2018 with Medicare at first transplant and during 180 days before/after graft failure. We used logistic regression to compare the risk of 1-year post-KT acute rejection and Cox regression to compare the risk of patient and graft survival between immunosuppression withdrawal and low-dose immunosuppression defined as continuing 1 or more immunosuppression at 6 months after graft failure.

*Results: Of 2,107 patients, 72.1% discontinued maintenance immunosuppression at 6 months after graft failure and 17.9% continued low-dose immunosuppression. There was no association between immunosuppression withdrawal and acute rejection (aOR=0.911.442.26) and death-censored graft failure (aHR=0.650.911.27). However, patients who discontinued immunosuppression had a lower risk of mortality after re-KT compared with those who continued low-dose immunosuppression (aHR=0.530.720.99).

*Conclusions: Our finding suggests that immunosuppression withdrawal had better survival after re-KT with no evidence of elevated risk of graft failure compared with continuation of low-dose immunosuppression. In addition to the advantages of continuing immunosuppression after graft failure, long-term outcomes should be considered.

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To cite this abstract in AMA style:

Ahn J, Sandal S, Bae S, Segev D, McAdams-DeMarco M. Effect of Immunosuppression Withdrawal After Graft Failure on Re-Kidney Transplantation Outcomes [abstract]. Am J Transplant. 2022; 22 (suppl 3). https://atcmeetingabstracts.com/abstract/effect-of-immunosuppression-withdrawal-after-graft-failure-on-re-kidney-transplantation-outcomes/. Accessed May 30, 2025.

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